In a factory average male worker is rupees 150 and their standard deviation is 15. In the same factory average female worker is rupees 140 and their standard deviation is 12. Find the coefficient of variation of both the worker and hence say whose wage is more consistent.​

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the correct option is 2.

step-by-step explanation:

according to the given information triangle abc is a right angle triangle with right angle at a. segment ab is 5 and segment ac is 7. point d is on segment bc and angles adb and adc are right angles.

it is given that triangles abd, cad, and cba are similar.

two triangles are similar if their corresponding sides are proportional.

in triangle cba, using pythagoras theorem

                      )

triangle abd and cba are similar,

                            (2)

triangle cad and cba are similar,

                      )

using (1), (2) and (3), we get

hence proved.

therefore option 2 is correct.

not sure but it may be b, as i said i'm not sure.